diff --git a/sale.py b/sale.py
index 1f3a02ce2b..d1d6a85d91 100644
--- a/sale.py
+++ b/sale.py
@@ -49,6 +49,8 @@ class SaleLine(OSV):
                 id2record[record['id']] = record
             lines = self.browse(cursor, user, ids, context=context)
             for line in lines:
+                if line.type != 'line':
+                    continue
                 for account in line.analytic_accounts.accounts:
                     if account.root.id in root_ids:
                         id2record[line.id]['analytic_account_' \